package com.zelin.mapper;


import com.zelin.pojo.student;

import java.util.List;


public interface StudentMapper {
     //1.查询所有学生
     List<student> findAll();
     List<student> findAll2();
     List<student> findAll3();
     void insert(student student);
     List<student> findStudentsByWord(String string);
     void updateStudent(student student);
     student findById(int sid);



}


